Service in Southern California for over 53 years!
We are proud to announce our 53rd anniversary in 2026! Since 1973 we've served the community as a full-service certified public accounting and business advisory firm.
July 31, 2026 11:54 pm
Service in Southern California for over 53 years!
Lan & Song CPAs can assist busy executives with these challenges and opportunities to promote increased efficiency, effectiveness and profitability.
July 31, 2026 11:54 pm
Service in Southern California for over 53 years!
Lan & Song CPAs is to provide professional services that exceed your expectations, that are timely, high-quality, personalized, and directed at improving your bottom-line results.
July 31, 2026 11:54 pm

Our Specialty

Escrow compliance documents review

Escrow Company

Marketing audit & compliance for CA-licensed escrow companies under DRE & DFPI regulations.

Real estate tax planning and 1031 exchange services

Real Estate

Cost segregation, 1031 exchange, and comprehensive real estate tax planning strategies.

Cross-border and international tax compliance

Cross-Border Business

International tax planning, FBAR reporting, and foreign income compliance.

Nonprofit 501(c)(3) compliance and Form 990 services

Non-Profit Organization

501(c)(3) compliance, Form 990 preparation, and grant management advisory.

Bookkeeping, payroll and HR consulting services

Professional Services

Full-service bookkeeping, payroll, HR consulting & business operations support.

Tax planning services for new immigrants

New Immigrants

Year-round tax planning, credits & incentives for businesses and individuals.

Our Team

Christopher Lan, CPA — Partner at Lan & Song CPAs

Christopher Lan, CPA

Jerry Lan, CPA — Partner at Lan & Song CPAs

Jerry Lan, CPA

Steve Song, CPA — Partner at Lan & Song CPAs

Steve Song, CPA